C11111333133313232233133313331333131121133131131133132322123231   >>    C1111133313331323223313331333133313112113313113113313232212323   <<    C11111333133313232233133313331333131121133131131133132322123233   >>      C11111333133313232233133313331333131121133131131133132322123232   >>