C31232233133313221211113313331333132313331322121111112113233121   >>    C3123223313331322121111331333133313231333132212111111211323312   <<    C31232233133313221211113313331333132313331322121111112113233123   >>      C31232233133313221211113313331333132313331322121111112113233122   >>