C11111333133313232233133313331333133313232233231333131121133233231   >>    C1111133313331323223313331333133313331323223323133313112113323323   <<    C11111333133313232233133313331333133313232233231333131121133233233   >>      C11111333133313232233133313331333133313232233231333131121133233232   >>