C111123313121111121111331333133313331323221211113313231123313332221   >>    C11112331312111112111133133313331333132322121111331323112331333222   <<    C111123313121111121111331333133313331323221211113313231123313332223   >>      C111123313121111121111331333133313331323221211113313231123313332222   >>