C111123313121111121111331333132313331323132322331333132221123221   >>    C11112331312111112111133133313231333132313232233133313222112322   <<    C111123313121111121111331333132313331323132322331333132221123223   >>      C111123313121111121111331333132313331323132322331333132221123222   >>