C31232233133313221211113313331333133313331212111113331323112131   >>    C3123223313331322121111331333133313331333121211111333132311213   <<    C31232233133313221211113313331333133313331212111113331323112133   >>      C31232233133313221211113313331333133313331212111113331323112132   >>