C11111333133313232233133313331333133313332322331331121111112221321   >>    C1111133313331323223313331333133313331333232233133112111111222132   <<    C11111333133313232233133313331333133313332322331331121111112221323   >>      C11111333133313232233133313331333133313332322331331121111112221322   >>