C31232233133313221211113313331333132313331322121111333132313111   >>    C3123223313331322121111331333133313231333132212111133313231311   <<    C31232233133313221211113313331333132313331322121111333132313113   >>      C31232233133313221211113313331333132313331322121111333132313112   >>