C1111121111331311211331333133313331333133313231333133313331333131333112221   >>    C111112111133131121133133313331333133313331323133313331333133313133311222   <<    C1111121111331311211331333133313331333133313231333133313331333131333112223   >>      C1111121111331311211331333133313331333133313231333133313331333131333112222   >>