C3132121111133313233121111331333133313331333133313331333132313331323221313321   >>    C313212111113331323312111133133313331333133313331333133313231333132322131332   <<    C3132121111133313233121111331333133313331333133313331333132313331323221313323   >>      C3132121111133313233121111331333133313331333133313331333132313331323221313322   >>