C31232233133313221211113313331333132313331211113313331311222331   >>    C3123223313331322121111331333133313231333121111331333131122233   <<    C31232233133313221211113313331333132313331211113313331311222333   >>      C31232233133313221211113313331333132313331211113313331311222332   >>