C31232233133313221211113313331333132313331322121111121111123313232131   >>    C3123223313331322121111331333133313231333132212111112111112331323213   <<    C31232233133313221211113313331333132313331322121111121111123313232133   >>      C31232233133313221211113313331333132313331322121111121111123313232132   >>