C31232233133313221211113313331333132313331322121111121111132333132211331   >>    C3123223313331322121111331333133313231333132212111112111113233313221133   <<    C31232233133313221211113313331333132313331322121111121111132333132211333   >>      C31232233133313221211113313331333132313331322121111121111132333132211332   >>