C312322331333132212111133133313331323132322331333133312111113232111   >>    C31232233133313221211113313331333132313232233133313331211111323211   <<    C312322331333132212111133133313331323132322331333133312111113232113   >>      C312322331333132212111133133313331323132322331333133312111113232112   >>