C2221232323213331311331333133313231333132313221323131211131113113221   >>    C222123232321333131133133313331323133313231322132313121113111311322   <<    C2221232323213331311331333133313231333132313221323131211131113113223   >>      C2221232323213331311331333133313231333132313221323131211131113113222   >>