C312322331333132212111133133313331333133312121111331322133311233321   >>    C31232233133313221211113313331333133313331212111133132213331123332   <<    C312322331333132212111133133313331333133312121111331322133311233323   >>      C312322331333132212111133133313331333133312121111331322133311233322   >>