C31232233133313221211113313331333133313331212111133131333131121131233132211211   >>    C3123223313331322121111331333133313331333121211113313133313112113123313221121   <<    C31232233133313221211113313331333133313331212111133131333131121131233132211213   >>      C31232233133313221211113313331333133313331212111133131333131121131233132211212   >>