C31321211111333132331211113313331333133313121211113313331313331333132213131   >>    C3132121111133313233121111331333133313331312121111331333131333133313221313   <<    C31321211111333132331211113313331333133313121211113313331313331333132213133   >>      C31321211111333132331211113313331333133313121211113313331313331333132213132   >>