C312322331333132212111133133313331333133312121111331333221323111   >>    C31232233133313221211113313331333133313331212111133133322132311   <<    C312322331333132212111133133313331333133312121111331333221323113   >>      C312322331333132212111133133313331333133312121111331333221323112   >>