C313212111133131211331333133313331333131121133133313331333221333132322121   >>    C31321211113313121133133313331333133313112113313331333133322133313232212   <<    C313212111133131211331333133313331333131121133133313331333221333132322123   >>      C313212111133131211331333133313331333131121133133313331333221333132322122   >>