C1111133313331323223313331333133313231333132332131333131113111121   >>    C111113331333132322331333133313331323133313233213133313111311112   <<    C1111133313331323223313331333133313231333132332131333131113111123   >>      C1111133313331323223313331333133313231333132332131333131113111122   >>