C31232233133313221211113313331333132313331121133133313231333113313133221   >>    C3123223313331322121111331333133313231333112113313331323133311331313322   <<    C31232233133313221211113313331333132313331121133133313231333113313133223   >>      C31232233133313221211113313331333132313331121133133313231333113313133222   >>