C31232233133313221211113313331333133313331212111111331313331211331   >>    C3123223313331322121111331333133313331333121211111133131333121133   <<    C31232233133313221211113313331333133313331212111111331313331211333   >>      C31232233133313221211113313331333133313331212111111331313331211332   >>