C312322331333132212111133133313331312111133132313331333212113231   >>    C31232233133313221211113313331333131211113313231333133321211323   <<    C312322331333132212111133133313331312111133132313331333212113233   >>      C312322331333132212111133133313331312111133132313331333212113232   >>