C11111333133313232233133313331333133313331133133313331333211232321   >>    C1111133313331323223313331333133313331333113313331333133321123232   <<    C11111333133313232233133313331333133313331133133313331333211232323   >>      C11111333133313232233133313331333133313331133133313331333211232322   >>