C1111121111331311211331333133313331333133313231323133313331333131321321   >>    C111112111133131121133133313331333133313331323132313331333133313132132   <<    C1111121111331311211331333133313331333133313231323133313331333131321323   >>      C1111121111331311211331333133313331333133313231323133313331333131321322   >>