C31232233133313221211113313331333132313331322121133133313231312113313123112331   >>    C3123223313331322121111331333133313231333132212113313331323131211331312311233   <<    C31232233133313221211113313331333132313331322121133133313231312113313123112333   >>      C31232233133313221211113313331333132313331322121133133313231312113313123112332   >>