C31232233133313221211113313331333132313331333133313331333133313331333113121221   >>    C3123223313331322121111331333133313231333133313331333133313331333133311312122   <<    C31232233133313221211113313331333132313331333133313331333133313331333113121223   >>      C31232233133313221211113313331333132313331333133313331333133313331333113121222   >>