C313212111133131211331333133313331333133312111133133313331333132233131231221   >>    C31321211113313121133133313331333133313331211113313331333133313223313123122   <<    C313212111133131211331333133313331333133312111133133313331333132233131231223   >>      C313212111133131211331333133313331333133312111133133313331333132233131231222   >>