C31231211111133131211113313331333132312111113331333133313222333112323221   >>    C3123121111113313121111331333133313231211111333133313331322233311232322   <<    C31231211111133131211113313331333132312111113331333133313222333112323223   >>      C31231211111133131211113313331333132312111113331333133313222333112323222   >>