C31232233133313221211113313331333133313331212111113331312311321   >>    C3123223313331322121111331333133313331333121211111333131231132   <<    C31232233133313221211113313331333133313331212111113331312311323   >>      C31232233133313221211113313331333133313331212111113331312311322   >>