C31232233133313221211113313331333132313331322121111333331311211   >>    C3123223313331322121111331333133313231333132212111133333131121   <<    C31232233133313221211113313331333132313331322121111333331311213   >>      C31232233133313221211113313331333132313331322121111333331311212   >>