C11111333133313232233133313331333133313332322331331121111122232321   >>    C1111133313331323223313331333133313331333232233133112111112223232   <<    C11111333133313232233133313331333133313332322331331121111122232323   >>      C11111333133313232233133313331333133313332322331331121111122232322   >>