C313212111113331323312111133133313331333133313331333133313231323132231221   >>    C31321211111333132331211113313331333133313331333133313331323132313223122   <<    C313212111113331323312111133133313331333133313331333133313231323132231223   >>      C313212111113331323312111133133313331333133313331333133313231323132231222   >>