C1111133313331323223313331333133313331333123313231333132331211211   >>    C111113331333132322331333133313331333133312331323133313233121121   <<    C1111133313331323223313331333133313331333123313231333132331211213   >>      C1111133313331323223313331333133313331333123313231333132331211212   >>