C31232233133313221211113313331333133313331212111112323133313132323323321   >>    C3123223313331322121111331333133313331333121211111232313331313232332332   <<    C31232233133313221211113313331333133313331212111112323133313132323323323   >>      C31232233133313221211113313331333133313331212111112323133313132323323322   >>