C222123232321333131133133313331333132313231333133322331223231311322331   >>    C22212323232133313113313331333133313231323133313332233122323131132233   <<    C222123232321333131133133313331333132313231333133322331223231311322333   >>      C222123232321333131133133313331333132313231333133322331223231311322332   >>