C313212111113331323312111133133313331333131212111133133311331333132311322121   >>    C31321211111333132331211113313331333133313121211113313331133133313231132212   <<    C313212111113331323312111133133313331333131212111133133311331333132311322123   >>      C313212111113331323312111133133313331333131212111133133311331333132311322122   >>