C31232233133313221211113313331333133313331212111113331333131122323321   >>    C3123223313331322121111331333133313331333121211111333133313112232332   <<    C31232233133313221211113313331333133313331212111113331333131122323323   >>      C31232233133313221211113313331333133313331212111113331333131122323322   >>