C3132121111331312113313331333133313331333112331333132212111113331323211321   >>    C313212111133131211331333133313331333133311233133313221211111333132321132   <<    C3132121111331312113313331333133313331333112331333132212111113331323211323   >>      C3132121111331312113313331333133313331333112331333132212111113331323211322   >>