C31232233133313221211113313331333132313331323231323132313123121   >>    C3123223313331322121111331333133313231333132323132313231312312   <<    C31232233133313221211113313331333132313331323231323132313123123   >>      C31232233133313221211113313331333132313331323231323132313123122   >>