C312322331333132212111133133313331333133312121111331333131111312331333231   >>    C31232233133313221211113313331333133313331212111133133313111131233133323   <<    C312322331333132212111133133313331333133312121111331333131111312331333233   >>      C312322331333132212111133133313331333133312121111331333131111312331333232   >>