C31232233133313221211113313331333132313331322121111133313112222311   >>    C3123223313331322121111331333133313231333132212111113331311222231   <<    C31232233133313221211113313331333132313331322121111133313112222313   >>      C31232233133313221211113313331333132313331322121111133313112222312   >>