C312322331333132212111133133313331333133312121111331313331323312321   >>    C31232233133313221211113313331333133313331212111133131333132331232   <<    C312322331333132212111133133313331333133312121111331313331323312323   >>      C312322331333132212111133133313331333133312121111331313331323312322   >>