C31232233133313221211113313331333133313332321333132313231323113121   >>    C3123223313331322121111331333133313331333232133313231323132311312   <<    C31232233133313221211113313331333133313332321333132313231323113123   >>      C31232233133313221211113313331333133313332321333132313231323113122   >>