C3132121111331312113313331333133313331333112331333132223213232321   >>    C313212111133131211331333133313331333133311233133313222321323232   <<    C3132121111331312113313331333133313331333112331333132223213232323   >>      C3132121111331312113313331333133313331333112331333132223213232322   >>