C312322331333132212111133133313331333133312121111111133132233231   >>    C31232233133313221211113313331333133313331212111111113313223323   <<    C312322331333132212111133133313331333133312121111111133132233233   >>      C312322331333132212111133133313331333133312121111111133132233232   >>