C312322331333132212111133133313331312111133132313331333232133322321   >>    C31232233133313221211113313331333131211113313231333133323213332232   <<    C312322331333132212111133133313331312111133132313331333232133322323   >>      C312322331333132212111133133313331312111133132313331333232133322322   >>