C1122333133313232233133313113313231333131133131122112323131133121   >>    C112233313331323223313331311331323133313113313112211232313113312   <<    C1122333133313232233133313113313231333131133131122112323131133123   >>      C1122333133313232233133313113313231333131133131122112323131133122   >>