C3132121111133313233121111331333133313331333133313331333131133132212323131   >>    C313212111113331323312111133133313331333133313331333133313113313221232313   <<    C3132121111133313233121111331333133313331333133313331333131133132212323133   >>      C3132121111133313233121111331333133313331333133313331333131133132212323132   >>