C2212133313231331121111331333133313223313113313331333132313232222321   >>    C221213331323133112111133133313331322331311331333133313231323222232   <<    C2212133313231331121111331333133313223313113313331333132313232222323   >>      C2212133313231331121111331333133313223313113313331333132313232222322   >>