C1111133313331323223313331333133313331323133313331333112331313331312321   >>    C111113331333132322331333133313331333132313331333133311233131333131232   <<    C1111133313331323223313331333133313331323133313331333112331313331312323   >>      C1111133313331323223313331333133313331323133313331333112331313331312322   >>