C31232233133313221211113313331333132313331322121111112211211211331   >>    C3123223313331322121111331333133313231333132212111111221121121133   <<    C31232233133313221211113313331333132313331322121111112211211211333   >>      C31232233133313221211113313331333132313331322121111112211211211332   >>