C1111133313331323223313331333133313331333123313231333132311212331   >>    C111113331333132322331333133313331333133312331323133313231121233   <<    C1111133313331323223313331333133313331333123313231333132311212333   >>      C1111133313331323223313331333133313331333123313231333132311212332   >>