C313212111113331323312111133133313331333133313331333133313331333133313231113131   >>    C31321211111333132331211113313331333133313331333133313331333133313331323111313   <<    C313212111113331323312111133133313331333133313331333133313331333133313231113133   >>      C313212111113331323312111133133313331333133313331333133313331333133313231113132   >>