C222123232321333131133133313331333132313231333133322331223231312131   >>    C22212323232133313113313331333133313231323133313332233122323131213   <<    C222123232321333131133133313331333132313231333133322331223231312133   >>      C222123232321333131133133313331333132313231333133322331223231312132   >>