C312322331333132212111133133313331333133312121111331211111333133312331323311231   >>    C31232233133313221211113313331333133313331212111133121111133313331233132331123   <<    C312322331333132212111133133313331333133312121111331211111333133312331323311233   >>      C312322331333132212111133133313331333133312121111331211111333133312331323311232   >>