C312322331333132212111133133313331333133312121111331333221132331111   >>    C31232233133313221211113313331333133313331212111133133322113233111   <<    C312322331333132212111133133313331333133312121111331333221132331113   >>      C312322331333132212111133133313331333133312121111331333221132331112   >>