C2221232323213331311331333133313231333131211211323223313113211331   >>    C222123232321333131133133313331323133313121121132322331311321133   <<    C2221232323213331311331333133313231333131211211323223313113211333   >>      C2221232323213331311331333133313231333131211211323223313113211332   >>