C2221232323213331311331333133313231333132313221323131213112312331   >>    C222123232321333131133133313331323133313231322132313121311231233   <<    C2221232323213331311331333133313231333132313221323131213112312333   >>      C2221232323213331311331333133313231333132313221323131213112312332   >>