C132233133112121111331333133313331333132313231332111112323132313231   >>    C13223313311212111133133313331333133313231323133211111232313231323   <<    C132233133112121111331333133313331333132313231332111112323132313233   >>      C132233133112121111331333133313331333132313231332111112323132313232   >>