C22213331333133313112331323133313331333133313211211111232312321   >>    C2221333133313331311233132313331333133313331321121111123231232   <<    C22213331333133313112331323133313331333133313211211111232312323   >>      C22213331333133313112331323133313331333133313211211111232312322   >>