C31232233133313221211113313331333132313331322121133132313231311312311   >>    C3123223313331322121111331333133313231333132212113313231323131131231   <<    C31232233133313221211113313331333132313331322121133132313231311312313   >>      C31232233133313221211113313331333132313331322121133132313231311312312   >>