C11111333133313232233133313331333133313331233132313331323131121313111   >>    C1111133313331323223313331333133313331333123313231333132313112131311   <<    C11111333133313232233133313331333133313331233132313331323131121313113   >>      C11111333133313232233133313331333133313331233132313331323131121313112   >>