C3132121111133313233121111331333133313331333133313331333133313311221313321   >>    C313212111113331323312111133133313331333133313331333133313331331122131332   <<    C3132121111133313233121111331333133313331333133313331333133313311221313323   >>      C3132121111133313233121111331333133313331333133313331333133313311221313322   >>