C312322331333132212111133133313331312111133132313331331121133131231231   >>    C31232233133313221211113313331333131211113313231333133112113313123123   <<    C312322331333132212111133133313331312111133132313331331121133131231233   >>      C312322331333132212111133133313331312111133132313331331121133131231232   >>