C31232233133313221211113313331333132313331322121133132322132311   >>    C3123223313331322121111331333133313231333132212113313232213231   <<    C31232233133313221211113313331333132313331322121133132322132313   >>      C31232233133313221211113313331333132313331322121133132322132312   >>