C1111121111331311211331333133313331333133313231333133313331323221323133321   >>    C111112111133131121133133313331333133313331323133313331333132322132313332   <<    C1111121111331311211331333133313331333133313231333133313331323221323133323   >>      C1111121111331311211331333133313331333133313231333133313331323221323133322   >>