C31232233133313221211113313331333132313331322121111113122232311   >>    C3123223313331322121111331333133313231333132212111111312223231   <<    C31232233133313221211113313331333132313331322121111113122232313   >>      C31232233133313221211113313331333132313331322121111113122232312   >>