C312322331333132212111133133313331312111133132313331333221211331123231   >>    C31232233133313221211113313331333131211113313231333133322121133112323   <<    C312322331333132212111133133313331312111133132313331333221211331123233   >>      C312322331333132212111133133313331312111133132313331333221211331123232   >>