C31232233133313221211113313331333133313331212111133121111112113311231   >>    C3123223313331322121111331333133313331333121211113312111111211331123   <<    C31232233133313221211113313331333133313331212111133121111112113311233   >>      C31232233133313221211113313331333133313331212111133121111112113311232   >>