C11111333133313232233133313331333131133132233131133131133131133132212321311321   >>    C1111133313331323223313331333133313113313223313113313113313113313221232131132   <<    C11111333133313232233133313331333131133132233131133131133131133132212321311323   >>      C11111333133313232233133313331333131133132233131133131133131133132212321311322   >>