C132233133112121111331333133313231333133313231323221211111232331   >>    C13223313311212111133133313331323133313331323132322121111123233   <<    C132233133112121111331333133313231333133313231323221211111232333   >>      C132233133112121111331333133313231333133313231323221211111232332   >>