C312322331333132212111133133313331333133312121111113313222233312111   >>    C31232233133313221211113313331333133313331212111111331322223331211   <<    C312322331333132212111133133313331333133312121111113313222233312113   >>      C312322331333132212111133133313331333133312121111113313222233312112   >>