C312322331333132212111133133313331333133312121111331323221211212111   >>    C31232233133313221211113313331333133313331212111133132322121121211   <<    C312322331333132212111133133313331333133312121111331323221211212113   >>      C312322331333132212111133133313331333133312121111331323221211212112   >>