C1111121111331311211331333133313331333133313231333133313331312111111222331321   >>    C111112111133131121133133313331333133313331323133313331333131211111122233132   <<    C1111121111331311211331333133313331333133313231333133313331312111111222331323   >>      C1111121111331311211331333133313331333133313231333133313331312111111222331322   >>