C1111121111331311211331333133313331333133313231323133313331333132322132121   >>    C111112111133131121133133313331333133313331323132313331333133313232213212   <<    C1111121111331311211331333133313331333133313231323133313331333132322132123   >>      C1111121111331311211331333133313331333133313231323133313331333132322132122   >>