C31232233133313221211113313331333132313331333133313331333133313233311231333131   >>    C3123223313331322121111331333133313231333133313331333133313331323331123133313   <<    C31232233133313221211113313331333132313331333133313331333133313233311231333133   >>      C31232233133313221211113313331333132313331333133313331333133313233311231333132   >>