C31232233133313221211113313331333132313331322121111121111333132221   >>    C3123223313331322121111331333133313231333132212111112111133313222   <<    C31232233133313221211113313331333132313331322121111121111333132223   >>      C31232233133313221211113313331333132313331322121111121111333132222   >>