C31232233133313221211113313331333133313331212111133133322121333121   >>    C3123223313331322121111331333133313331333121211113313332212133312   <<    C31232233133313221211113313331333133313331212111133133322121333123   >>      C31232233133313221211113313331333133313331212111133133322121333122   >>