C31232233133313221211113313331333132313331322121111121111133323223121   >>    C3123223313331322121111331333133313231333132212111112111113332322312   <<    C31232233133313221211113313331333132313331322121111121111133323223123   >>      C31232233133313221211113313331333132313331322121111121111133323223122   >>