C11111333133313232233133313331333131133131211111133131323131121131   >>    C1111133313331323223313331333133313113313121111113313132313112113   <<    C11111333133313232233133313331333131133131211111133131323131121133   >>      C11111333133313232233133313331333131133131211111133131323131121132   >>