YES aabx1cbcx1bcbx1abcx1aabx1cabx1acbx1cccx1cacx1cbbx1babx1ccbx1cbcx1ccbx12.1abcaaabx1acbcx1baabx1bcbcx1caabx1ccbcx1abcbx1aabcx1bbcbx1babcx1cbcbx1cabcx1aaabx1acabx1baabx1bcabx1caabx1ccabx1cacx1cbbx1cbcx1ccbx1aacbx1acccx1bacbx1bcccx1cacbx1ccccx1ababx1accbx1bbabx1bccbx1cbabx1cccbx1aaaaabbax1accbbccax1aaaaabbbx1accbbccbx1aaaaabbcx1accbbcccx1baaaabbax1bccbbccax1baaaabbbx1bccbbccbx1baaaabbcx1bccbbcccx1caaaabbax1cccbbccax1caaaabbbx1cccbbccbx1caaaabbcx1cccbbcccx1abbccbbax1aaabbccax1abbccbbbx1aaabbccbx1abbccbbcx1aaabbcccx1bbbccbbax1baabbccax1bbbccbbbx1baabbccbx1bbbccbbcx1baabbcccx1cbbccbbax1caabbccax1cbbccbbbx1caabbccbx1cbbccbbcx1caabbcccx1aaaaabbax1accaabbax1aaaaabbbx1accaabbbx1aaaaabbcx1accaabbcx1baaaabbax1bccaabbax1baaaabbbx1bccaabbbx1baaaabbcx1bccaabbcx1caaaabbax1cccaabbax1caaaabbbx1cccaabbbx1caaaabbcx1cccaabbcx1caaccax1cbbbbax1caaccbx1cbbbbbx1caacccx1cbbbbcx1cbbccax1cccbbax1cbbccbx1cccbbbx1cbbcccx1cccbbcx1aaaccbbax1accccccax1aaaccbbbx1accccccbx1aaaccbbcx1acccccccx1baaccbbax1bccccccax1baaccbbbx1bccccccbx1baaccbbcx1bcccccccx1caaccbbax1cccccccax1caaccbbbx1cccccccbx1caaccbbcx1ccccccccx1abbaabbax1accccbbax1abbaabbbx1accccbbbx1abbaabbcx1accccbbcx1bbbaabbax1bccccbbax1bbbaabbbx1bccccbbbx1bbbaabbcx1bccccbbcx1cbbaabbax1cccccbbax1cbbaabbbx1cccccbbbx1cbbaabbcx1cccccbbcx11aa1224ab1323ba1017ac1125cb1730bc141ca1823bb1624cc157AProVEAProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Statistics for single proof: 100.00 % (4 real / 0 unknown / 0 assumptions / 4 total proof steps)http://aprove.informatik.rwth-aachen.deJohnDoe