C3132121111133313233121111331333133313331333133313331323133313331323221323221   >>    C313212111113331323312111133133313331333133313331333132313331333132322132322   <<    C3132121111133313233121111331333133313331333133313331323133313331323221323223   >>      C3132121111133313233121111331333133313331333133313331323133313331323221323222   >>