C31232233133313221211113313331333132313331322121133133313233311231331   >>    C3123223313331322121111331333133313231333132212113313331323331123133   <<    C31232233133313221211113313331333132313331322121133133313233311231333   >>      C31232233133313221211113313331333132313331322121133133313233311231332   >>