C1111121111331311211331333133313331333133313221211113313231333131323221   >>    C111112111133131121133133313331333133313331322121111331323133313132322   <<    C1111121111331311211331333133313331333133313221211113313231333131323223   >>      C1111121111331311211331333133313331333133313221211113313231333131323222   >>