C1111121111331311211331333133313331333133313231333133313232211321   >>    C111112111133131121133133313331333133313331323133313331323221132   <<    C1111121111331311211331333133313331333133313231333133313232211323   >>      C1111121111331311211331333133313331333133313231333133313232211322   >>