C111113331333132322331333133313331323133313233213133313331323131133132121   >>    C11111333133313232233133313331333132313331323321313331333132313113313212   <<    C111113331333132322331333133313331323133313233213133313331323131133132123   >>      C111113331333132322331333133313331323133313233213133313331323131133132122   >>