C313212111113331323312111133133313331333133313331333133313331331123211321   >>    C31321211111333132331211113313331333133313331333133313331333133112321132   <<    C313212111113331323312111133133313331333133313331333133313331331123211323   >>      C313212111113331323312111133133313331333133313331333133313331331123211322   >>