C312322331333132212111133133313331312111133132313331331123232113231   >>    C31232233133313221211113313331333131211113313231333133112323211323   <<    C312322331333132212111133133313331312111133132313331331123232113233   >>      C312322331333132212111133133313331312111133132313331331123232113232   >>