C1111133313331323223313331333133313112331322121111331313331323221232111   >>    C111113331333132322331333133313331311233132212111133131333132322123211   <<    C1111133313331323223313331333133313112331322121111331313331323221232113   >>      C1111133313331323223313331333133313112331322121111331313331323221232112   >>