C31232233133313221211113313331333133313331212111112323133313231333131132131221   >>    C3123223313331322121111331333133313331333121211111232313331323133313113213122   <<    C31232233133313221211113313331333133313331212111112323133313231333131132131223   >>      C31232233133313221211113313331333133313331212111112323133313231333131132131222   >>