C31232233133313221211113313331333132313331322121111123313113313232331   >>    C3123223313331322121111331333133313231333132212111112331311331323233   <<    C31232233133313221211113313331333132313331322121111123313113313232333   >>      C31232233133313221211113313331333132313331322121111123313113313232332   >>