C1111121111331311211331333133313331333133313231333133313331333132213232233221   >>    C111112111133131121133133313331333133313331323133313331333133313221323223322   <<    C1111121111331311211331333133313331333133313231333133313331333132213232233223   >>      C1111121111331311211331333133313331333133313231333133313331333132213232233222   >>