C312322331333132212111133133313331333133312121111331333221333132212122321   >>    C31232233133313221211113313331333133313331212111133133322133313221212232   <<    C312322331333132212111133133313331333133312121111331333221333132212122323   >>      C312322331333132212111133133313331333133312121111331333221333132212122322   >>