C132233133112121111331333133313231333133313231323221211111112321   >>    C13223313311212111133133313331323133313331323132322121111111232   <<    C132233133112121111331333133313231333133313231323221211111112323   >>      C132233133112121111331333133313231333133313231323221211111112322   >>