C313212111113331323312111133133313331333133313331333133313331333133112212323321   >>    C31321211111333132331211113313331333133313331333133313331333133313311221232332   <<    C313212111113331323312111133133313331333133313331333133313331333133112212323323   >>      C313212111113331323312111133133313331333133313331333133313331333133112212323322   >>