C313212111133131211331333133313331333132212113313331323133313331322212121   >>    C31321211113313121133133313331333133313221211331333132313331333132221212   <<    C313212111133131211331333133313331333132212113313331323133313331322212123   >>      C313212111133131211331333133313331333132212113313331323133313331322212122   >>