C312322331333132212111133133313331333133312121111331333313231323231   >>    C31232233133313221211113313331333133313331212111133133331323132323   <<    C312322331333132212111133133313331333133312121111331333313231323233   >>      C312322331333132212111133133313331333133312121111331333313231323232   >>