C31232233133313221211113313331333132313331322121111113121331123231   >>    C3123223313331322121111331333133313231333132212111111312133112323   <<    C31232233133313221211113313331333132313331322121111113121331123233   >>      C31232233133313221211113313331333132313331322121111113121331123232   >>