C1111133313331323223313331333133313311211111211331333131211111323133313111231   >>    C111113331333132322331333133313331331121111121133133313121111132313331311123   <<    C1111133313331323223313331333133313311211111211331333131211111323133313111233   >>      C1111133313331323223313331333133313311211111211331333131211111323133313111232   >>