C31232233133313221211113313331333132313331121133133313231333232212331   >>    C3123223313331322121111331333133313231333112113313331323133323221233   <<    C31232233133313221211113313331333132313331121133133313231333232212333   >>      C31232233133313221211113313331333132313331121133133313231333232212332   >>