C313212111133131211331333133313331333133322331323133313233313111213221   >>    C31321211113313121133133313331333133313332233132313331323331311121322   <<    C313212111133131211331333133313331333133322331323133313233313111213223   >>      C313212111133131211331333133313331333133322331323133313233313111213222   >>